N.J. Stat. Ann. § 51:11-6

Any person who sells, exposes or offers for sale, or delivers, either in bulk or package form, less than the quantity he represents of any soil amendment subject to the provisions of this act shall be liable to the penalty provisions of this act; provided, however, that the superintendent shall establish and promulgate by rule, regulation, or order permissible deviations and tolerances to be used by weights and measures officials in reweighing or remeasuring such commodity.